Hovering Disk For Less Perfect Surface- Frictionless Motion Experiment

This is a Remix of fgebharts hovering disk. I found his version didn't work for me. Disk didnt lift much and movement was anything but frictionless. This was probably because bottom of my print and the surface I wanted hover on (table, floor) were not perfectly smooth. Nozzle of the original is very narrow which increases the duration of hovering, but it decreases the airflow and therefore requires better surface to slide across. So in order to make it work in normal classroom conditions I made